libxmp: update to 4.5.0

4.5.0 (20210606):
Changes by Alice Rowan:
- xmp_load_module_from_callbacks and xmp_test_module_from_callbacks
  added to api
- fix xmp_set_position et al. when used during loops, pattern delay
- make xmp_set_position() consistently clear pattern break/jump vars
- avoid shell command injection when calling external unmo3 or unrar
- fix volume event handling for FAR modules
- fix GDM loader to correctly handle empty notes
- fix GDM fine effects
- fix incorrect handling of GDM speed effect
- implement GDM surround effect
- add support for DSMI 0.8 and 0.9 AMF modules
- fix incorrect DSMI AMF volume and note 0x7f handling
- fix DSMI AMF track 0 remapping bug
- fix DSMI AMF speed effect and pan command conversions
- fix IMAGO Orpheus channel panning and status values
- fix S3M ADPCM4 samples
- fix OctaMED 'tracker compatibility' tempos, more accurate OctaMED
  8-channel mode BPM tables.
- ignore MED volume/slide effects with param of 0, fix speed bound.
- improve MOD loader checks for Mod's Grave WOW files
- fix Schism Tracker version date calculation
- fix MED2 BPM handling
- fix MED modules with pattern lengths > 256
- fix MED instrument corruption
- allow up to 512 rows in X-Tracker patterns
- add support for DigiBooster Pro pan envelopes
- fix DigiBooster Pro volume envelope number of points
- fix fine effects for DigiBooster Pro modules
- fix loading DigiBooster Pro modules with large sample chunks
- fix IT bug where Cxx on same row as SBx would not be ignored
- fix IT bug where Qxy would ignore the volume parameter
- fix IT sample global volume and sample vibrato
- fix two IT bugs related to note off and volume handling
- fix event out-of-bounds reads due to invalid key values
- fix multiple out-of-bounds reads/writes, memory corruptions,
  uninitialized reads and hangs in several loaders (thanks to
  Lionel Debroux for providing fuzz files)
- fix xmp_release_module double frees when invoked multiple times
- check external sample file names before opening them
- make it possible to disable module depacker functionality
- make it possible to disable prowizard module loaders
Changes by viiri:
- fix samples corruption in STM modules
- support more versions of STM modules
Changes by ��zkan Sezer:
- add new xmp_syserrno call to the api
- xmp_get_format_list() now returns const char* const*, not char**
  (no ABI change)
- xmp_test_module, xmp_load_module, xmp_set_instrument_path and
  xmp_smix_load_sample() now accept const char* path parameters
  (no ABI change)
- xmp_load_module_from_memory() now accepts a const void* memory
  param (no ABI change)
- xmp_load_module_from_memory() no longer accepts sizes <= 0.
- explicitly document that callers of xmp_load_module_from_file()
  are responsible for closing their own file.
- remove nonportable use of fdopen in xmp_load_module_from_file()
- fix a seek issue with xmp_load_module_from_memory
- fix memory-io functions' error handling
- fix number of envelope points sanity check in IMF loader
- rewrite the UMX loader
- revise sanity checks to prevent oob reads in s404 depacker
- fix vorbis depacker to function properly on big endian systems
- fix windows static library builds
- fix win64 compatibility in ptpopen
- fix build with C89 compilers
- fix issues related to visibility attributes
- fix compatibility with old gcc, mingw, djgpp
- fix warnings in configure script
- fix Watcom C build on OS/2
- fix Amiga build
- several code clean-ups
Changes by Carsten Teibes:
- fix lite build mod loader symbols
Changes by NoSuck:
- add new xmp_set_row() call to skip replay to the given row
- IT: T00 now repeats previous slide
- prevent clobbering of muted channels' volumes in IT modules
- clamp number of IT envelope nodes at load time
- fix IT message (comment) length miscalculation
- fix IT volume panning effect
- fix mute status on player creation
Changes by Cameron Cawley:
- fix sanity check in Digital Symphony loader
- fix and enable the Coconizer loader
- support compiling for Windows with OpenWatcom
Changes by Ghabry:
- add xmp_test_module_from_memory and xmp_test_module_from_file
  calls to api
Fix problems reported by Ralf Hoffmann:
- fix MMD3 instrument type sanity check
- fix strictness of MOD pattern data tester
- fix loading of XMLiTE XM modules
- fix loading of ST modules with invalid names
Fix problems reported by Lionel Debroux:
- fix PTM loader issues
- fix MED4 invalid sample load error
- fix NNA and DCT/DCA issues
Fix problems reported by Dennis Mulleneers:
- handle XM 16-bit samples with odd in-file data
Fix problems reported by Jay Garcia:
- fix smix sample allocation
- force reset of buffer state on player start
Fix problems reported by Vitaly Novichkov:
- fix Emscripten builds
- fix linkage errors with MSVC debug builds
Other changes:
- fix IT pattern delay volume reset bug (read row events only
  once per row)
- fix volume, pitch and pan slides lagging behind one frame
- fix tempo assignment in module scan to fix seek issues/crashes
- fix double free in case of ADPCM sample load error
- code refactoring and cleanup
- add new xmp_set_tempo_factor() call to set the replay tempo
  multiplier
- fix XM keyoff with instrument
- fix loading xm instruments with more than 16 samples

(nia)